A special thanks to Wikipedia.com for following historical information. The sermons I have chosen from Sermonaudio.com
306 – Constantine I is proclaimed Roman emperor by his troops.315 – The Arch of Constantine is completed near the Colosseum in Rome to commemorate Constantine I's victory over Maxentius at the Milvian Bridge.
Recommended sermons and podcasts: Constantine and the New State Church, by Brian Borgman
